Rivet, Rub, Scarf, Screw, Seam, Sew, Shoulder, Skewer, Snap, Spindle, Staple, Stick, Stitch, Strait, Suture, Swivel, Tack, Toggle, Trunnion, Turn, Union, Wedge, Weld, Wrist, Zipper, Ankle, Arbor, Articulate, Articulation, Axis, Axle, Batten, Bolt, Boundary, Buckle, Butt, Button, Cervix, Clasp, Cleat, Clinch, Clip, Closure, Clutch, Connection, Coupling, Crisis, Crossroads, Crunch, Depend, Distaff, Dovetail, Elbow, Embrace, Emergency, Exigency, Extremity, Fulcrum, Gudgeon, Hang, Hasp, Hip, Hitch, Hook, Hub, Interface, Jam, Join, Joining, Joint, Juncture, Knee, Knuckle, Latch, Link, Lock, Mortise, Nail, Nave, Neck, Pass, Peg, Pin, Pinch, Pivot, Pole, Push, Radiant, Rest